Lars Grosse-Wortmann, MD
Pediatric Cardiology Physician · Portland, OR
Lars Grosse-Wortmann, MD is a pediatric cardiology physician with a practice address in Portland, Oregon, and NPI 1588210157, issued on Aug 9, 2019. Check the license (Oregon 185737, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Lars Grosse-Wortmann
- Credential
- MD
- Primary taxonomy
- Pediatric Cardiology Physician 2080P0202X
- License number
- 185737 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD, Portland, OR 97239
- Phone
- (503) 418-5750
- Enumerated
- Aug 9, 2019
- Record last updated
- Oct 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (503) 494-4953
- Medicare enrollment
- Enrolled (PECOS I20191122000006); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric cardiology physician records → All 35 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alex AamodtCritical Care Medicine Registered Nurse1154257590
- Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
- Kenneth Abbey, MDAnesthesiology Physician1588779342
- Matthew Abbott, PA-CMedical Physician Assistant1154738003
- Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
- Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430
Verify Lars Grosse-Wortmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license 185737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $32.00
1 payment: travel and lodging; the largest payer was Siemens Medical Solutions USA, Inc. The 1,156 providers of this specialty with any payment received $2,864.57 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Professional ServicesSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lars Grosse-Wortmann among 35 pediatric cardiology physician records in Oregon
Lars Grosse-Wortmann, MD is one of 35 pediatric cardiology physician records with a practice address in Oregon. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 0% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1999 · median 2004 among the 21 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0202X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Cardiology Physician providers in Oregon
There are 35 pediatric cardiology physician records in Oregon.
All 35 in Oregon → Every provider in Portland → Pediatric Cardiology Physician nationwide →
The 8 pediatric cardiology physician records with the nearest ZIP codes
- Laurie Armsby, MDPortland, OR 972391184613960
- Seshadri Balaji, MDPortland, OR 972391164437653
- James Bishara, MDPortland, OR 972391821127283
- Claudine Bohun, BM BCH BAOPortland, OR 972391790983625
- Grant Burch, MDPortland, OR 972391437164936
- Paul Droukas, MDPortland, OR 972391558376061
- Brendan Kelly, MDPortland, OR 972391033233192
- Erin Madriago, M.D.Portland, OR 972391073723656
Common questions
What is Lars Grosse-Wortmann, MD's NPI number?
Lars Grosse-Wortmann, MD's National Provider Identifier (NPI) is 1588210157, issued on Aug 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Lars Grosse-Wortmann, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 418-5750. Providers update this record themselves, so call before visiting.
How can I verify Lars Grosse-Wortmann, MD's license?
NPPES lists Oregon license number 185737, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Lars Grosse-Wortmann, MD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.